<?php

namespace PHPExcel\Shared;

/**
 * \PHPExcel\Shared\CodePage
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * @category PHPExcel
 * @package PHPExcel_Shared
 * @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
 * @version ##VERSION##, ##DATE##
 */
class CodePage {
    /**
     * Convert Microsoft Code Page Identifier to Code Page Name which iconv
     * and mbstring understands
     *
     * @param integer $codePage
     *            Microsoft Code Page Indentifier
     * @return string Code Page Name
     * @throws \PHPExcel\Exception
     */
    public static function numberToName($codePage = 1252) {
        switch ($codePage) {
            case 367 :
                return 'ASCII'; // ASCII
            case 437 :
                return 'CP437'; // OEM US
            case 720 :
                throw new \PHPExcel\Exception('Code page 720 not supported.'); // OEM Arabic
            case 737 :
                return 'CP737'; // OEM Greek
            case 775 :
                return 'CP775'; // OEM Baltic
            case 850 :
                return 'CP850'; // OEM Latin I
            case 852 :
                return 'CP852'; // OEM Latin II (Central European)
            case 855 :
                return 'CP855'; // OEM Cyrillic
            case 857 :
                return 'CP857'; // OEM Turkish
            case 858 :
                return 'CP858'; // OEM Multilingual Latin I with Euro
            case 860 :
                return 'CP860'; // OEM Portugese
            case 861 :
                return 'CP861'; // OEM Icelandic
            case 862 :
                return 'CP862'; // OEM Hebrew
            case 863 :
                return 'CP863'; // OEM Canadian (French)
            case 864 :
                return 'CP864'; // OEM Arabic
            case 865 :
                return 'CP865'; // OEM Nordic
            case 866 :
                return 'CP866'; // OEM Cyrillic (Russian)
            case 869 :
                return 'CP869'; // OEM Greek (Modern)
            case 874 :
                return 'CP874'; // ANSI Thai
            case 932 :
                return 'CP932'; // ANSI Japanese Shift-JIS
            case 936 :
                return 'CP936'; // ANSI Chinese Simplified GBK
            case 949 :
                return 'CP949'; // ANSI Korean (Wansung)
            case 950 :
                return 'CP950'; // ANSI Chinese Traditional BIG5
            case 1200 :
                return 'UTF-16LE'; // UTF-16 (BIFF8)
            case 1250 :
                return 'CP1250'; // ANSI Latin II (Central European)
            case 1251 :
                return 'CP1251'; // ANSI Cyrillic
            case 0 :
            // CodePage is not always correctly set when the xls file was saved by Apple's Numbers program
            case 1252 :
                return 'CP1252'; // ANSI Latin I (BIFF4-BIFF7)
            case 1253 :
                return 'CP1253'; // ANSI Greek
            case 1254 :
                return 'CP1254'; // ANSI Turkish
            case 1255 :
                return 'CP1255'; // ANSI Hebrew
            case 1256 :
                return 'CP1256'; // ANSI Arabic
            case 1257 :
                return 'CP1257'; // ANSI Baltic
            case 1258 :
                return 'CP1258'; // ANSI Vietnamese
            case 1361 :
                return 'CP1361'; // ANSI Korean (Johab)
            case 10000 :
                return 'MAC'; // Apple Roman
            case 10001 :
                return 'CP932'; // Macintosh Japanese
            case 10002 :
                return 'CP950'; // Macintosh Chinese Traditional
            case 10003 :
                return 'CP1361'; // Macintosh Korean
            case 10004 :
                return 'MACARABIC'; // Apple Arabic
            case 10005 :
                return 'MACHEBREW'; // Apple Hebrew
            case 10006 :
                return 'MACGREEK'; // Macintosh Greek
            case 10007 :
                return 'MACCYRILLIC'; // Macintosh Cyrillic
            case 10008 :
                return 'CP936'; // Macintosh - Simplified Chinese (GB 2312)
            case 10010 :
                return 'MACROMANIA'; // Macintosh Romania
            case 10017 :
                return 'MACUKRAINE'; // Macintosh Ukraine
            case 10021 :
                return 'MACTHAI'; // Macintosh Thai
            case 10029 :
                return 'MACCENTRALEUROPE'; // Macintosh Central Europe
            case 10079 :
                return 'MACICELAND'; // Macintosh Icelandic
            case 10081 :
                return 'MACTURKISH'; // Macintosh Turkish
            case 10082 :
                return 'MACCROATIAN'; // Macintosh Croatian
            case 21010 :
                return 'UTF-16LE'; // UTF-16 (BIFF8) This isn't correct, but some Excel writer libraries erroneously use Codepage 21010 for UTF-16LE
            case 32768 :
                return 'MAC'; // Apple Roman
            case 32769 :
                throw new \PHPExcel\Exception('Code page 32769 not supported.'); // ANSI Latin I (BIFF2-BIFF3)
            case 65000 :
                return 'UTF-7'; // Unicode (UTF-7)
            case 65001 :
                return 'UTF-8'; // Unicode (UTF-8)
        }
        throw new \PHPExcel\Exception('Unknown codepage: ' . $codePage);
    }
}
